<template>
   <div class="goods-tabs">
    <nav>
      <a @click="activeName = 'goodsDetail'" :class="{active: activeName === 'goodsDetail'}" href="javascript:;">商品详情</a>
      <a @click="activeName = 'goodsComment'"  :class="{active: activeName === 'goodsComment'}" href="javascript:;">商品评价<span>({{goods.commentCount}})</span></a>
    </nav>
    
    <!-- 切换内容的地方 -->  
    <!-- <GoodsComment v-if="activeName == 'goodsComment'"/>
    <GoodsDetail v-if="activeName == 'goodsDetail'"/> -->
    <!-- 动态组件 -->
    <component :is="activeName"></component>
  </div>     
</template>
<script>
import { inject, ref } from 'vue'
import GoodsDetail from './goods-detail.vue'
import GoodsComment from './goods-comment.vue'
 
export default {
    name: 'GoodsTabs',        
    components: {GoodsDetail, GoodsComment},
    setup () {
        const activeName = ref('goodsDetail')
        const goods = inject('goods')
        return {goods,activeName}
    }

}
</script>

<style lang="less" scoped>
.goods-tabs {
  min-height: 600px;
  background: #fff;
  nav {
    height: 70px;
    line-height: 70px;
    display: flex;
    border-bottom: 1px solid #f5f5f5;
    a {
      padding: 0 40px;
      font-size: 18px;
      position: relative;
      > span {
        color: @priceColor;
        font-size: 16px;
        margin-left: 10px;
      }
      &:first-child {
        border-right: 1px solid #f5f5f5;
      }
      &.active {
        &::before {
          content: "";
          position: absolute;
          left: 40px;
          bottom: -1px;
          width: 72px;
          height: 2px;
          background: @xtxColor;
        }
      }
    }
  }
}

</style>